This problems,there are no fix to it.This problems will continue to happen as the tv in used years after years.As over the years in uesd of the tv.The floorscent tubes incorporate in the LCD screen slowly dimming as the rest of the tv life.
I understand the tube aging concept. This does not explain the alternating bright/dim of the screen and at such a long 20-30 interval. Please expain. Can the floresent tubes be replaced to alievate this problem?
The LCD screen floorscent tubes can't not be change,as i explain incorporate inside as parts of the whole LCD screen itself.
This Pioneer unit is a PLASMA not LCD. Is the tube dimming still true?
Yes,the Plasma screen floorscent tubes use the same concept except used brightter stronger gas like Neon gas.That why Plasma have more problems with images burn in problems,if have the same images on the screen like 2 or 3 hours,will have pixiles burn in as a LCD screen dosen't,because of gas products less intensities.
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Make Sure wires of moniter is properly plug in , check specially VGA cable and it can be because of RAM .
Gizmo1
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